Home / 2,839,686.84-3,918,926.61-1,550,646.90

Finding the Fourth Proportional to 2,839,686.84, 3,918,926.61 and 1,550,646.90

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Solution

The fourth proportional to 2,839,686.84, 3,918,926.61 and 1,550,646.90 is: 2,139,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,686.84 : 3,918,926.61 = 1,550,646.90 : x
  2. Step 2: Convert to fraction form
    2,839,686.84/3,918,926.61 = 1,550,646.90/x
  3. Step 3: Cross multiply
    2,839,686.84x = 3,918,926.61 × 1,550,646.90
  4. Step 4: Simplify right side
    2,839,686.84x = 6,076,871,399,124.01
  5. Step 5: Solve for x
    x = 6,076,871,399,124.01/2,839,686.84
  6. Step 6: Final answer
    x = 2,139,979.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.